🌙
Tube-Plate Sealing Diagnostics
Refractive Mode v3.0
Required Hardware Components
↺ Rotate: DragZoom: Pinch
Interactive Operation Simulation
↺ Rotate: DragZoom: Pinch
Injection Process Overview
Manufacturing Engineering Workflow
A precise 5-step process ensures a void-free hermetic seal within the 0.1 mm annular gap.
01Plasma Activation
02Vacuum Degassing
03L-Type Dispensing
04Stepped Curing
05ISO Integrity Test
Structural Integrity & Safety Margins
Validation based on First-Principles of solid mechanics and ASTM standards.
| Safety Redundancy (FOS) | ~3,846x against 5 psi |
|---|---|
| Theoretical Burst Limit | 19,047 psi |
| Thermal Endurance | Stable up to 450°F / Tg 155°C |
| Filling Dynamics | Washburn Imbibition: 2.8s to 28s |
Strategic Mechanism Analysis
Feasibility evaluation of sealing modalities relative to the 1 mm spatial limit and 0.1 mm eccentricity.
| Mechanism | Core Physics | Suitability |
|---|---|---|
| Laser Welding | Metallic lattice fusion | Low (Gap Sensitive) |
| Elastomeric (O-Ring) | Elastic recovery | Critical (Height limit) |
| Mechanical Swaging | Hertzian stress | Critical (Collapse risk) |
| Polymer Bonding | Capillary dynamics | Optimal |
Sealing Material: Master Bond EP42HT-2Med
The injection process utilizes EP42HT-2Med, a medical-grade epoxy known for high-temperature resistance and superior biocompatibility.
| Mix Ratio (A to B) | 100:40 (Weight) |
|---|---|
| Working Life (100g) | 45 - 75 minutes @ 75°F |
| Tensile Lap Shear | > 2,000 psi (Al to Al) |
| Sterilization Protocol | 100+ Cycles (Autoclave, EtO, Gamma) |
Quality Validation & Standards
Strict adherence to international standards for neurosurgical sterile integrity.
| ASTM F2095 | Pressure Decay Testing for macro-leak monitoring. |
|---|---|
| ASTM F1929 | Dye Penetration to expose capillary micro-voids. |
| He Mass Spec | Sensitivity to 10⁻⁹ mbar (Molecular hermeticity). |
| ISO 10993-5 | Cytotoxicity standard to ensure biocompatibility. |